[ RadSafe ] Safecast Geiger Counter Reference Design

[Brennan, Mike (DOH)]

While the mesh would help, I don't know that I would trust it to be
enough for a unit that is supposed to live in a pocket or purse, without
an additional cover.  On the other hand, I am not sure there is a point
to having alpha/beta capability in an instrument that will be inside
something all the time.  

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Jim Darrough
Sent: Friday, March 16, 2012 8:25 AM
To: 'The International Radiation Protection (Health Physics) Mailing
List'
Subject: Re: [ RadSafe ] Safecast Geiger Counter Reference Design

Fine wire mesh grids over the element would help. Ludlum does that with
their pancakes and we rarely have one of those pop on us.

R/ Jim Darrough, OSU

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of M K
Sent: Thursday, March 15, 2012 6:38 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Safecast Geiger Counter Reference Design

True, and they are not cheap!

On Thu, Mar 15, 2012 at 1:18 PM, Cary Renquist
<cary.renquist at ezag.com>wrote:

> Interesting project.
> I hope that the tube is easily replaceable, because those mica windows

> are easy to pop...
>
> Safecast Geiger Counter Reference Design http://j.mp/zZhLtE
>
>
> Bunnie Huang, cracker of the Xbox and creator of the Chumby, wanted to
> do something to help people in Japan following the Fukushima Daiichi
> disaster. He created a reference design for a cheap, reliable, stylish
> Geiger counter for everyday carry, under the auspices of Safecast, a
> group that works on ongoing disaster relief in Japan. Being a
consummate
> hardware hacker, bunnie has documented the steps he took along the way
> to create his free/open Geiger counter.
>
>
> An important point readers should note about this design is that I'm
not
> manufacturing this Geiger counter reference design. My contribution is
> limited to design IP only. Practically speaking, I'd make a terrible
> Geiger counter supplier, because I don't have the credibility or
history
> in the industry. Instead, the design has been donated to the
community,
> thereby enabling International Medcom, a business that has spent
decades
> specialized in producing high-quality Geiger counters, to bring this
to
> the market. If you're interested in getting one of these, keep an eye
on
> their website.
>
>
> Best regards,
> Cary
>
> --
> Cary.renquist at ezag.com
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